The U.K.'s prohibition against buying Huawei's 5G equipment comes as the Chinese tech giant reports strong revenue growth on the back of growing domestic demand.

A number of telecom equipment suppliers sport low valuations following years of seeing very little growth. 5G network rollouts should provide them with a bit of a lift.

Down goes Frazier, and down went Applied Optoelectronics.

HPE was stung by soft cloud server demand, and might cut its losses. Palo Alto is rebounding after a rough start to 2017, and Box and Ciena continue executing well.

Jim Cramer is bearish on propane, optical and sand stocks.

"Supply chain challenges and persistent delays significantly limited the brand's responsive abilities" to changing consumer trends, CEO Sonia Syngal told investors Thursday.

"We believe the slowdown was caused by the spending pressure our consumers felt from higher gas prices and broader inflation," said CEO Bruce Thorn.

Costco took in $984 million in new membership fee in its fiscal third quarter, helping the bulk retailer top Street forecasts for topline revenues.